{"schema":"threatline.record/2","record":{"id":"CVE-2026-100677","aliases":["GHSA-h44h-xx2j-hp56"],"summary":"stoatchat before 0.15.5 Account Enumeration via Error Location","details":"stoatchat before 0.15.5 contains an account enumeration vulnerability in the login endpoint that exposes source file locations in error responses. Unauthenticated attackers can distinguish between registered and unregistered email addresses by comparing error location fields returned from POST /api/auth/session/login requests.","categories":["Unclassified"],"product":"stoatchat","vendor":"stoatchat","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-100677","source_modified_at":"2026-09-30T17:38:09.594Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"stoatchat","vendor":"stoatchat","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"0.15.5"},{"version":"0.15.5","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-100677","source_modified_at":"2026-09-30T17:38:09.594Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"stoatchat","ecosystem":null},"version":"0.15.5","basis":"first unaffected version stated in the CVE record"}],"cvss":6.9,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00261,"percentile":0.16897,"score_date":"2026-10-23"},"published_at":"2026-09-26T13:23:39.733Z","modified_at":"2026-09-30T17:38:09.594Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-100677","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-09-30T17:38:09.594Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-100677","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/stoatchat/stoatchat/security/advisories/GHSA-h44h-xx2j-hp56","tags":["exploit"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/stoatchat-before-0.15.5-account-enumeration-via-error-location","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"yes","technical_impact":"partial","assessed_at":"2026-09-30T17:38:01.485120Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-09-30T17:38:09.594Z","content_hash":"851a329db133c356814e7eacee7a2b59f5f3c38cb524c7e4f5d14826e4a3db49"}}